Move examples to server directory (#198)

* move examples to server directory

This will prepare for the client implementation in https://github.com/modelcontextprotocol/php-sdk/pull/192

* fix move bootstrap too

examples/client-communication/server.php

@@ -1,63 +0,0 @@
-#!/usr/bin/env php
-<?php
-
-/*
- * This file is part of the official PHP MCP SDK.
- *
- * A collaboration between Symfony and the PHP Foundation.
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-require_once dirname(__DIR__).'/bootstrap.php';
-chdir(__DIR__);
-
-use Mcp\Schema\Enum\LoggingLevel;
-use Mcp\Schema\ServerCapabilities;
-use Mcp\Server;
-use Mcp\Server\RequestContext;
-use Mcp\Server\Session\FileSessionStore;
-
-$server = Server::builder()
-    ->setServerInfo('Client Communication Demo', '1.0.0')
-    ->setLogger(logger())
-    ->setContainer(container())
-    ->setSession(new FileSessionStore(__DIR__.'/sessions'))
-    ->setCapabilities(new ServerCapabilities(logging: true, tools: true))
-    ->setDiscovery(__DIR__)
-    ->addTool(
-        function (RequestContext $context, string $dataset): array {
-            $client = $context->getClientGateway();
-            $client->log(LoggingLevel::Info, sprintf('Running quality checks on dataset "%s"', $dataset));
-
-            $tasks = [
-                'Validating schema',
-                'Scanning for anomalies',
-                'Reviewing statistical summary',
-            ];
-
-            foreach ($tasks as $index => $task) {
-                $progress = ($index + 1) / count($tasks);
-
-                $client->progress(progress: $progress, total: 1, message: $task);
-
-                usleep(140_000); // Simulate work being done
-            }
-
-            $client->log(LoggingLevel::Info, sprintf('Dataset "%s" passed automated checks.', $dataset));
-
-            return [
-                'dataset' => $dataset,
-                'status' => 'passed',
-                'notes' => 'No significant integrity issues detected during automated checks.',
-            ];
-        },
-        name: 'run_dataset_quality_checks',
-        description: 'Perform dataset quality checks with progress updates and logging.'
-    )
-    ->build();
-
-$result = $server->run(transport());
-
-shutdown($result);